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Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Fuel Cycle & Waste Management
Devoted to all aspects of the nuclear fuel cycle including waste management, worldwide. Division specific areas of interest and involvement include uranium conversion and enrichment; fuel fabrication, management (in-core and ex-core) and recycle; transportation; safeguards; high-level, low-level and mixed waste management and disposal; public policy and program management; decontamination and decommissioning environmental restoration; and excess weapons materials disposition.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|High-Performance Computing
Tuesday, April 29, 2025|8:00–9:40AM MDT|E.P. Ensley B
Session Chair:
Tara M. Pandya (ORNL)
Alternate Chair:
Steven Hamilton (ORNL)
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GPU Accelerated SN Transport Calculation with Unstructured Meshes in STRAUM
8:00–8:25AM MDT
Ao Zhang (Hanyang Univ.), Seungil Jeong (Hanyang Univ.), Ser Gi Hong (Hanyang Univ.)
Paper
Performance Improvements of the Implicit Monte Carlo Method with Event-Based Vectorization on CPUs
8:25–8:50AM MDT
Joseph Farmer (Univ. Notre Dame), Alex Long (LANL)
Parallelization of Correlated Sampling Uncertainty Estimation in the iDTMC (Improved Deterministic Truncation of Monte Carlo) Analysis of Sodium-Cooled Fast Reactors
8:50–9:15AM MDT
Sunjoo Yoon (KAIST), Inyup Kim (KAIST), Taesuk Oh (KAIST), Yonghee Kim (KAIST)
Introduction of GPU-Enabled CMFD Acceleration for Performance Enhancement of Neutron Transport Code STREAM3D-GPU
9:15–9:40AM MDT
Fathurrahman Setiawan (Ulsan Nat'l Institute Science and Technology), Siarhei Dzianisau (Ulsan Nat'l Institute Science and Technology), Deokjung Lee (Ulsan Nat'l Institute Science and Technology)
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